The beloved heroine returns to screens 20 years after the conclusion of season two - where she and Jamie become separated through time at the peak of the Jacobite rebellion.

Replying to Twitter user Jen, Caitriona said: "These are some of my favorite scenes. V excited for you to see this Ep ..... "

The keen fan had tweeted a snap of Claire Fraser appearing as a doctor aboard a ship captioned: "Yazzzzzzzz DOCTOR CLAIRE... @caitrionambalfe so amazing to see you as our brave, determined, wickedly smart heroine!!!!"